Natural PTFE/Natural Silicone, 0.040"

Septa are 0.035” Natural Silicone with 0.005” Natural PTFE. High quality silicone is used to ensure proper re-sealing and reduced coring. Designed for multiple injections and/or longer sample cycles, for both GC and LC applications. Absence of pigments eliminates additional sources of contamination.


Cap are high-quality durable polypropylene, with ribbed sides for ease in handling. Standard colors are yellow, blue, and black.

CapDescriptionPkgPre-SlitProduct No.
YellowInserted Into Cap100YesQP3215.009.522A
YellowInserted Into Cap1,000YesQP3215.009.522
BlueInserted Into Cap100YesQP3215.009.521A
BlueInserted Into Cap1,000YesQP3215.009.521
BlackInserted Into Cap100YesQP3215.009.520A
BlackInserted Into Cap1,000YesQP3215.009.520
YellowInserted Into Cap100NoQP3212.009.522A
YellowInserted Into Cap1,000NoQP3212.009.522
BlueInserted Into Cap100NoQP3212.009.521A
BlueInserted Into Cap1,000NoQP3212.009.521
BlackInserted Into Cap100NoQP3212.009.520A
BlackInserted Into Cap1,000NoQP3212.009.520
No CapLoose Septa Only100NoQP3200.009.520A
No CapLoose Septa Only1,000NoQP3200.009.520